Seiko Cal. 6621 - 596

This Hand-Winding model from 1976 features a 43mm Hardlex-Coated Steel case. It features a Green dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-5b23835edf71]

Also known as: Sumo, Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Green

Jewels

19j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1976

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