Seiko Cal. 7180 - 931

The Seiko 7180-931 represents an important milestone in Seiko's 1982 lineup. It features a Champagne dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-c88b184411fe]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Champagne

Jewels

20j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1982

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