Seiko Cal. 6646 - 138

The Seiko 6646-138 represents an important milestone in Seiko's 1983 lineup. Powered by the 6646 caliber with 30j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-0b9c900db2b3]

Also known as: Shogun, Sea Horse

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Burgundy

Jewels

30j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1983

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