Seiko Cal. 6636 - 991

Seiko 6636-991

The 6636-991 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6636 caliber with 22j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-ae6087747446]

Also known as: Golden Tuna

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
41mm
Case Thickness
8.6mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
110m
Dial Color
Burgundy
Jewels
22j
Frequency
36,000 bph
Power Reserve
45 hours
Year
1995

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seikata-wm-ae6087747446