Seiko Cal. 6277 - 987

The Seiko 6277-987 represents an important milestone in Seiko's 1978 lineup. Powered by the 6277 caliber with 35j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-947f5b1a044d]

Also known as: Sportsmatic, Flighty

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

35j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1978

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