Seiko Cal. 5640 - 599

Seiko 5640-599

This Hand-Winding model from 1986 features a 37mm Two-Tone case. With its 18mm lug width and 10.3mm profile, it sits comfortably on most wrists. [seikata-wm-5fcbdc0f0f83]

Also known as: Panda, World Timer

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
37mm
Case Thickness
10.3mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
150m
Dial Color
White
Jewels
36j
Frequency
36,000 bph
Power Reserve
61 hours
Year
1986

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