Seiko Cal. 4571 - 797

This Spring Drive model from 1976 features a 38mm Two-Tone case. Powered by the 4571 caliber with 23j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-a9c7773eb96f]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Champagne

Jewels

23j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1976

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