Seiko Cal. 0731 - 675

The 0731-675 is a sought-after Hand-Winding piece from Seiko's golden era. With its 19mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-0bb5ad6ad228]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

Green

Jewels

19j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1985

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