Seiko Cal. 7031 - 396

The Seiko 7031-396 represents an important milestone in Seiko's 1999 lineup. It features a Black dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-65e93ec87e84]

Also known as: Tuna, World Timer

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Black

Jewels

33j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1999

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