Seiko Cal. 5636 - 513

Seiko 5636-513

This Automatic model from 1975 features a 38mm Two-Tone case. Powered by the 5636 caliber with 20j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-1612d9ea9d7b]

Also known as: Sumo, World Timer

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
38mm
Case Thickness
11.3mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
110m
Dial Color
Champagne
Jewels
20j
Frequency
21,600 bph
Power Reserve
38 hours
Year
1975

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