Seiko Cal. 6661 - 651

This Automatic model from 1975 features a 44mm Gold-Plated case. Powered by the 6661 caliber with 26j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-f808e08942b5]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

13.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Black

Jewels

26j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1975

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