Seiko Cal. 5633 - 910

This Automatic model from 1986 features a 41mm Hardlex-Coated Steel case. Powered by the 5633 caliber with 27j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-f3b832f95626]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

27j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1986

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