Seiko Cal. 6643 - 161

This Automatic model from 1989 features a 40mm Gold-Plated case. With its 20mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-7eb6fe885421]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Navy

Jewels

33j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1989

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