Seiko Cal. 6642 - 786

Seiko 6642-786

The 6642-786 is a sought-after Automatic piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-2da5db53c70b]

Also known as: Tuna, Sea Horse

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
43mm
Case Thickness
14.0mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
120m
Dial Color
Blue Sunburst
Jewels
28j
Frequency
21,600 bph
Power Reserve
65 hours
Year
1988

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