Seiko Cal. 6371 - 604

Seiko 6371-604

The 6371-604 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6371 caliber with 23j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-d56a5c8f8a73]

Also known as: Tuna, Golden Tuna

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
42mm
Case Thickness
8.3mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
160m
Dial Color
Navy
Jewels
23j
Frequency
36,000 bph
Power Reserve
37 hours
Year
1966

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