Seiko Cal. 6623 - 316

Seiko 6623-316

The 6623-316 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6623 caliber with 29j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-3d7a61b029e6]

Also known as: Turtle, Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
38mm
Case Thickness
8.6mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
Black
Jewels
29j
Frequency
36,000 bph
Power Reserve
63 hours
Year
1970

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