Seiko Cal. 7031 - 426

Released in 1984, the Cal. 7031 with design code 426 was part of Seiko's domestic market collection. It features a Navy dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-55622aeb52fc]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

8.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1984

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