Seiko Cal. 6659 - 660

Seiko 6659-660

This Quartz model from 1990 features a 40mm Hardlex-Coated Steel case. It features a White dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-fc04e512c47b]

Also known as: Monster, Golden Tuna

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
14.6mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
100m
Dial Color
White
Jewels
23j
Frequency
28,800 bph
Power Reserve
64 hours
Year
1990

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