Seiko Cal. 6277 - 781

This Spring Drive model from 1966 features a 44mm Stainless Steel case. Powered by the 6277 caliber with 23j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-93576c825cbe]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Champagne

Jewels

23j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1966

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