Seiko Cal. 5687 - 739

Seiko 5687-739

This Quartz model from 1990 features a 40mm Hardlex-Coated Steel case. With its 22mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-f5d7dc48ad1f]

Also known as: Panda, Baby Tuna

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
14.1mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
40m
Dial Color
Burgundy
Jewels
20j
Frequency
36,000 bph
Power Reserve
43 hours
Year
1990

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