Seiko Cal. 5621 - 526

This Hand-Winding model from 1980 features a 45mm Hardlex-Coated Steel case. Powered by the 5621 caliber with 20j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-10d38fcdb37f]

Also known as: Bullhead, Arnie

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1980

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