Seiko Cal. 5621 - 740

This Solar model from 1985 features a 44mm Hardlex-Coated Steel case. Powered by the 5621 caliber with 34j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-4a5838d36372]

Also known as: Rally, Sea Horse

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

13.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

White

Jewels

34j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1985

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