Seiko Cal. 6642 - 557

Seiko 6642-557

This Quartz model from 1989 features a 37mm Hardlex-Coated Steel case. With its 18mm lug width and 12.8mm profile, it sits comfortably on most wrists. [seikata-wm-66fca24d04e4]

Also known as: Panda, UFO

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
12.8mm
Lug Width
18mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
150m
Dial Color
White
Jewels
22j
Frequency
28,800 bph
Power Reserve
39 hours
Year
1989

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