Seiko Cal. 7181 - 955

This Spring Drive model from 1965 features a 36mm Hardlex-Coated Steel case. It features a Navy dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-921b35b6ea89]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

8.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Navy

Jewels

26j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1965

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