Seiko Cal. 7031 - 684

The Seiko 7031-684 represents an important milestone in Seiko's 1997 lineup. It features a Black dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-c944a58aea0e]

Also known as: Samurai, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1997

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