Seiko Cal. 6636 - 985

Seiko 6636-985

The Seiko 6636-985 represents an important milestone in Seiko's 1982 lineup. Powered by the 6636 caliber with 18j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-6dae181d263b]

Also known as: UFO

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
15.0mm
Lug Width
22mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
170m
Dial Color
Green
Jewels
18j
Frequency
36,000 bph
Power Reserve
59 hours
Year
1982

Related Models

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