Seiko Cal. 6159 - 436

This Hand-Winding model from 1978 features a 40mm Stainless Steel case. With its 20mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-3a98717986e1]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1978

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