Seiko Cal. 6661 - 613

This Automatic model from 1994 features a 42mm PVD Black case. Powered by the 6661 caliber with 20j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-89b49ccf44b3]

Also known as: Sumo, Crown

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Cream

Jewels

20j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1994

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