Seiko Cal. 3851 - 371

Released in 1986, the Cal. 3851 with design code 371 was part of Seiko's domestic market collection. Powered by the 3851 caliber with 28j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-1713da3ef39b]

Also known as: Bullhead, World Timer

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1986

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