Seiko Cal. 6377 - 159

The Seiko 6377-159 represents an important milestone in Seiko's 1983 lineup. Powered by the 6377 caliber with 30j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-858c850680d3]

Also known as: Helmet, World Timer

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

30j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1983

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