Seiko Cal. 7181 - 551

This Hand-Winding model from 1969 features a 42mm Hardlex-Coated Steel case. It features a Silver dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-d62fe1777dd1]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

30j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1969

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