Seiko Cal. 6366 - 217

Seiko 6366-217

The 6366-217 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6366 caliber with 29j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-534e0c7e8c8b]

Also known as: Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
15.3mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
80m
Dial Color
Black
Jewels
29j
Frequency
28,800 bph
Power Reserve
50 hours
Year
1988

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