Seiko Cal. 3851 - 838

The Seiko 3851-838 represents an important milestone in Seiko's 1977 lineup. With its 18mm lug width and 14.0mm profile, it sits comfortably on most wrists. [seikata-wm-e8c8aaa4ce30]

Also known as: Sumo, Pogue

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

White

Jewels

32j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1977

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