Seiko Cal. 6345 - 812

Seiko 6345-812

The 6345-812 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-9bdda7e01235]

Also known as: Sumo, Arnie

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
14.6mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
140m
Dial Color
Black
Jewels
36j
Frequency
21,600 bph
Power Reserve
37 hours
Year
1987

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