Seiko Cal. 6251 - 377

The Seiko 6251-377 represents an important milestone in Seiko's 1978 lineup. Powered by the 6251 caliber with 18j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-ac902678c31b]

Also known as: Bullhead, Emperor

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1978

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