Seiko Cal. 0768 - 931

Seiko 0768-931

The 0768-931 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-a53d8a7a802e]

Also known as: Tuna, Navigator

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
8.0mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
160m
Dial Color
White
Jewels
17j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1981

Related Models

seikata-wm-a53d8a7a802e