Seiko Cal. 5281 - 509

This Hand-Winding model from 1977 features a 45mm Two-Tone case. With its 21mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-caf157a1fd4e]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1977

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