Seiko Cal. 6636 - 998

Seiko 6636-998

The 6636-998 is a sought-after Solar piece from Seiko's golden era. Powered by the 6636 caliber with 30j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-d81461def324]

Also known as: Silverwave, Golden Tuna

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
10.6mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
150m
Dial Color
Silver
Jewels
30j
Frequency
28,800 bph
Power Reserve
45 hours
Year
1981

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