Seiko Cal. 5621 - 635

This Quartz model from 1969 features a 39mm Hardlex-Coated Steel case. Powered by the 5621 caliber with 34j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-f4d84bef10fa]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

White

Jewels

34j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1969

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