Seiko Cal. 4556 - 944

This Quartz model from 1978 features a 44mm Hardlex-Coated Steel case. With its 21mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-65eece51ac0c]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

15.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1978

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