Seiko Cal. 4471 - 956

This Spring Drive model from 1976 features a 39mm Two-Tone case. Powered by the 4471 caliber with 26j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-69251c54287e]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Burgundy

Jewels

26j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1976

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