Seiko Cal. 6661 - 993

This Spring Drive model from 1975 features a 38mm PVD Black case. Powered by the 6661 caliber with 25j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-f65073136c13]

Also known as: Shogun, Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Cream

Jewels

25j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1975

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