Seiko Cal. 5638 - 273

This Hand-Winding model from 1975 features a 40mm Two-Tone case. It features a White dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-dc960779281c]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

White

Jewels

17j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1975

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