Seiko Cal. 7031 - 582

This Hand-Winding model from 1987 features a 46mm Titanium case. With its 18mm lug width and 13.7mm profile, it sits comfortably on most wrists. [seikata-wm-db0a549fafc9]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1987

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