Seiko Cal. 3851 - 377

The Seiko 3851-377 represents an important milestone in Seiko's 1972 lineup. With its 22mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-f1c5120c4efe]

Also known as: Shogun, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Burgundy

Jewels

25j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1972

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