Seiko Cal. 5645 - 837

Seiko 5645-837

This Hand-Winding model from 1971 features a 41mm Two-Tone case. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-dca0c102856e]

Also known as: Flighty

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
41mm
Case Thickness
8.1mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
60m
Dial Color
White
Jewels
17j
Frequency
21,600 bph
Power Reserve
62 hours
Year
1971

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