Seiko Cal. 6378 - 763

Seiko 6378-763

The 6378-763 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6378 caliber with 30j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-e63ed5e0c965]

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
45mm
Case Thickness
9.4mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
130m
Dial Color
White
Jewels
30j
Frequency
28,800 bph
Power Reserve
39 hours
Year
1981

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