Seiko Cal. 5635 - 433

This Hand-Winding model from 1970 features a 45mm Two-Tone case. Powered by the 5635 caliber with 27j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-e15ef2f495fb]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Black

Jewels

27j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1970

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