Seiko Cal. 6636 - 116

Seiko 6636-116

The 6636-116 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 46 hours power reserve. [seikata-wm-3ae4d69bb406]

Also known as: Bullhead, Baby Tuna

Specifications

Movement
Solar
Case Material
Titanium
Case Width
38mm
Case Thickness
12.8mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
Champagne
Jewels
22j
Frequency
28,800 bph
Power Reserve
46 hours
Year
1987

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