Seiko Cal. 6172 - 378

This Hand-Winding model from 1990 features a 36mm Stainless Steel case. With its 20mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-8328b3f8d460]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Black

Jewels

20j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1990

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