Seiko Cal. 6660 - 284

Seiko 6660-284

The 6660-284 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6660 caliber with 29j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-c0abfefbfedf]

Also known as: Monster, Golden Tuna

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
9.9mm
Lug Width
20mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
Champagne
Jewels
29j
Frequency
28,800 bph
Power Reserve
63 hours
Year
1977

Related Models

seikata-wm-c0abfefbfedf