Seiko Cal. 5635 - 383

This Hand-Winding model from 1987 features a 41mm Titanium case. Powered by the 5635 caliber with 33j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-43750facb405]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

Burgundy

Jewels

33j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1987

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