Seiko Cal. 6277 - 549

This Hand-Winding model from 1974 features a 41mm Two-Tone case. Powered by the 6277 caliber with 27j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-80b920c7f465]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Green

Jewels

27j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1974

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