Seiko Cal. 5647 - 636

Seiko 5647-636

This Hand-Winding model from 1972 features a 46mm Two-Tone case. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-b3708d8c0f9e]

Also known as: Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
46mm
Case Thickness
13.0mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
140m
Dial Color
Green
Jewels
29j
Frequency
28,800 bph
Power Reserve
57 hours
Year
1972

Related Models

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