Seiko Cal. 5635 - 285

This Quartz model from 1972 features a 41mm PVD Black case. Powered by the 5635 caliber with 31j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-ac392f1191f5]

Also known as: Turtle

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

41mm

Case Thickness

12.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Champagne

Jewels

31j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1972

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