Seiko Cal. 5636 - 364

Seiko 5636-364

The Seiko 5636-364 represents an important milestone in Seiko's 1968 lineup. Powered by the 5636 caliber with 28j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-cb25793e302e]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
8.4mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
110m
Dial Color
Burgundy
Jewels
28j
Frequency
28,800 bph
Power Reserve
42 hours
Year
1968

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seikata-wm-cb25793e302e