Seiko Cal. 6660 - 374

Seiko 6660-374

The 6660-374 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6660 caliber with 18j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-45d73e518940]

Also known as: Monster, Bullhead

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
42mm
Case Thickness
10.2mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
110m
Dial Color
Silver
Jewels
18j
Frequency
36,000 bph
Power Reserve
39 hours
Year
1980

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seikata-wm-45d73e518940