Seiko Cal. 0767 - 440

Seiko 0767-440

The 0767-440 is a sought-after Spring Drive piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-4b8b15731b2a]

Also known as: Sumo, Silverwave

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
38mm
Case Thickness
12.1mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
100m
Dial Color
Black
Jewels
31j
Frequency
21,600 bph
Power Reserve
72 hours
Year
1969

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