Seiko Cal. 5678 - 921

This Hand-Winding model from 1997 features a 43mm Stainless Steel case. With its 21mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-44139ca3076e]

Also known as: Helmet, UFO

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Black

Jewels

28j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1997

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