Seiko Cal. 4579 - 541

This Spring Drive model from 1966 features a 37mm Hardlex-Coated Steel case. With its 20mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-8b203007bd8d]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Silver

Jewels

23j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1966

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