Seiko Cal. 6156 - 644

The Seiko 6156-644 represents an important milestone in Seiko's 1978 lineup. With its 22mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-178f09a18b4e]

Also known as: Crown

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Green

Jewels

22j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1978

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