Seiko Cal. 0731 - 387

The 0731-387 is a sought-after Spring Drive piece from Seiko's golden era. With its 18mm lug width and 11.6mm profile, it sits comfortably on most wrists. [seikata-wm-3701879f69a9]

Also known as: Pogue, UFO

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1986

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