Seiko Cal. 5640 - 959

This Hand-Winding model from 1988 features a 46mm Titanium case. Powered by the 5640 caliber with 21j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-7de51797d5e1]

Also known as: Turtle

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Burgundy

Jewels

21j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1988

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