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Seiko Sea SPB317J1 Prospex - Heritage Turtle Watch

Automatic divers watch with date - 1968 re-interpretation

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Product description

This cushion-shaped diving watch is based on a classic Seiko diving watch from 1968. Retro luminescent shovel hands are paired with a red dot second hand. Typical for Seiko is the placement of the crown at 4 o'clock. Previously, this was also the location of the date window, but in line with the latest ISO certification criteria, the date has been moved to 4:30 to allow all hour markers to be luminous. The bezel is extremely accurate with rotation in 120 clicks on the 60-minute scale. Due to the high-contrast dial and anti-reflective coating on the glass, the watch is very easy to read in the water despite its compact diameter of 41 mm, but just as practical on land in more formal attire.


Alternative article number SPB317
Ean 4954628246868
Diameter 41 mm
Water Resistance 20 Bar (Dive)
Warranty 2 Year Warranty
Free 1 year extra warranty on hollandwatchgroup.com


Time hours - Analogue hand
Calendar Date - Window
General information
Ean 4954628246868
Brand Seiko
Brand Category Sea
Name Prospex - Heritage Turtle
Year 2022 Fall / Winter
Display Type Analog
Swiss Made No
Water Resistance 20 Bar (Dive)
Dial color Black
Hand colors (h Silver, Silver, Silver
Case information
Case code 6R35-01Z0
Diameter 41 mm
Case Thickness 12 mm
Case material Stainless steel
Case Shape Round
Case color Silver
Back case material Stainless steel
Back Case Screwed case back
Material crystal Sapphire
Crown Screw crown
Bezel Material Stainless steel
Bezel Function Diving
Rotating Bezel Uni-directional
Movement information
Movement part nr 6R35 (See specifications)
Movement Brand Seiko Instruments Inc.
Swiss movement No
Display Type Analog
Mechanism Mechanic Automatic
Power reserve 70
Frequency 21.600
Jewels 24
Hackable Yes
Skeletonized No
Strap information
Strap material Silicone/Rubber
Strap width 20 mm
Lug width (mm) 20 mm
Band width at clasp 18 mm
Band color Black
Clasp Type Buckle
Clasp color Silver
Band sizing by HWG? No
Mount type Pushpins
Straight strap mount Yes
Suitable for wrist size 165 mm - 210 mm
Original strap Strap Seiko R03E021J0

Print & Fit

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hours Analogue hand
minutes Analogue hand
Seconds Analogue hand
Date Window

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Seiko Sea SPB317J1 Prospex - Heritage Turtle Watch