Seiko Cal. 5621 - 574

This Hand-Winding model from 1975 features a 42mm Stainless Steel case. It features a Silver dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-c2d26e90f957]

Also known as: Helmet, Crown

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

25j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1975

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