Seiko Cal. 6277 - 988

The Seiko 6277-988 represents an important milestone in Seiko's 1966 lineup. Powered by the 6277 caliber with 18j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-080eb59f4fe6]

Also known as: Helmet, Sea Horse

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

39mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Silver

Jewels

18j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1966

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