Seiko Cal. 6151 - 381

The Seiko 6151-381 represents an important milestone in Seiko's 1968 lineup. Powered by the 6151 caliber with 28j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-75a9a3c81f8c]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

42mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Champagne

Jewels

28j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1968

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