Seiko Cal. 6636 - 334

Seiko 6636-334

The 6636-334 is a sought-after Solar piece from Seiko's golden era. Powered by the 6636 caliber with 22j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-843caab5cbf1]

Also known as: UFO, Bellmatic

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
45mm
Case Thickness
9.7mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
150m
Dial Color
Green
Jewels
22j
Frequency
28,800 bph
Power Reserve
44 hours
Year
1974

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