Seiko Cal. 5658 - 256

This Hand-Winding model from 1981 features a 46mm Titanium case. Powered by the 5658 caliber with 27j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-64a34771a791]

Also known as: Turtle, Navigator

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1981

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