Seiko Cal. 7031 - 313

This Hand-Winding model from 1998 features a 46mm PVD Black case. It features a Cream dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-8ef9e348bc4b]

Also known as: Silverwave, Crown

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

33j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1998

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