Seiko Cal. 6666 - 931

The 6666-931 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6666 caliber with 33j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-bd2f86a88a94]

Also known as: Monster, Golden Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Silver

Jewels

33j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1989

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