Seiko Cal. 4549 - 750

This Spring Drive model from 1981 features a 42mm Hardlex-Coated Steel case. With its 19mm lug width and 11.3mm profile, it sits comfortably on most wrists. [seikata-wm-ceaccea81fdf]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

11.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1981

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