Seiko Cal. 6378 - 304

Seiko 6378-304

The 6378-304 is a sought-after Automatic piece from Seiko's golden era. It features a Champagne dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-82e7c23d83f1]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
12.2mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
Champagne
Jewels
33j
Frequency
36,000 bph
Power Reserve
40 hours
Year
1978

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