Seiko Cal. 4497 - 285

This Solar model from 1972 features a 34mm Titanium case. Powered by the 4497 caliber with 20j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-4b8765d3d383]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

34mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1972

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