Seiko Cal. 7031 - 442

This Hand-Winding model from 1984 features a 44mm Two-Tone case. It features a Black dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-e3b0412edb19]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1984

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