Seiko Cal. 6378 - 731

Seiko 6378-731

The 6378-731 is a sought-after Automatic piece from Seiko's golden era. The Coin-Edge bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-da1066176e9f]

Also known as: Rally, Silverwave

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
42mm
Case Thickness
11.3mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
160m
Dial Color
Green
Jewels
36j
Frequency
28,800 bph
Power Reserve
69 hours
Year
1986

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