Seiko Cal. 5635 - 173

This Spring Drive model from 1970 features a 45mm Titanium case. Powered by the 5635 caliber with 23j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-bcac94eb6389]

Also known as: Turtle

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Burgundy

Jewels

23j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1970

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