Seiko Cal. 5642 - 410

This Spring Drive model from 1975 features a 43mm Stainless Steel case. It features a Silver dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-1114a4ff99bc]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

11.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

18j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1975

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