Seiko Cal. 0778 - 640

Seiko 0778-640

This Quartz model from 1975 features a 44mm Gold-Plated case. Powered by the 0778 caliber with 33j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-a4ab2e9eb055]

Also known as: Goldfeather

Specifications

Movement
Quartz
Case Material
Gold-Plated
Case Width
44mm
Case Thickness
9.3mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
180m
Dial Color
Silver
Jewels
33j
Frequency
28,800 bph
Power Reserve
39 hours
Year
1975

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