Seiko Cal. 0739 - 381

The Seiko 0739-381 represents an important milestone in Seiko's 1970 lineup. With its 21mm lug width and 8.9mm profile, it sits comfortably on most wrists. [seikata-wm-2808a0f8a5d1]

Also known as: World Timer, Crown

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

White

Jewels

36j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1970

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