Seiko Cal. 0731 - 478

This Automatic model from 1996 features a 39mm Titanium case. With its 18mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-fa0586db7748]

Also known as: UFO, Arnie

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1996

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