Seiko Cal. 4478 - 541

This Quartz model from 1977 features a 42mm Stainless Steel case. Powered by the 4478 caliber with 26j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-0df724cb4993]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

14.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Black

Jewels

26j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1977

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