Seiko Cal. 4554 - 731

This Solar model from 1971 features a 42mm Stainless Steel case. With its 21mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-aeaefb07dd82]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1971

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