Seiko Cal. 6377 - 643

The Seiko 6377-643 represents an important milestone in Seiko's 1966 lineup. The Fixed bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-1b637db960b0]

Also known as: Shogun, Emperor

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1966

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