Seiko Cal. 6612 - 253

This Spring Drive model from 1991 features a 43mm Hardlex-Coated Steel case. Powered by the 6612 caliber with 17j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-fe991f8f4d3e]

Also known as: Tuna, Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1991

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