Seiko Cal. 4557 - 897

This Solar model from 1976 features a 41mm Titanium case. Powered by the 4557 caliber with 23j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-494a5a18fddd]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

41mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1976

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