Seiko Cal. 6661 - 780

This Automatic model from 1989 features a 37mm PVD Black case. Powered by the 6661 caliber with 24j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-29f763d7e8f6]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

Cream

Jewels

24j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1989

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