Seiko Cal. 6642 - 937

Seiko 6642-937

The 6642-937 is a sought-after Quartz piece from Seiko's golden era. It features a Navy dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-a1a734611e3c]

Also known as: Golden Tuna

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
42mm
Case Thickness
15.7mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
80m
Dial Color
Navy
Jewels
24j
Frequency
28,800 bph
Power Reserve
55 hours
Year
1978

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