Seiko Cal. 6137 - 577

The Seiko 6137-577 represents an important milestone in Seiko's 1976 lineup. Powered by the 6137 caliber with 26j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-def183e59e72]

Also known as: Flighty

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

14.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Burgundy

Jewels

26j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1976

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