Seiko Cal. 6155 - 977

This Hand-Winding model from 1975 features a 39mm Two-Tone case. Powered by the 6155 caliber with 21j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-6d52563004f2]

Also known as: Sea Horse, Flighty

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1975

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