Seiko Cal. 5665 - 255

Seiko 5665-255

The 5665-255 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5665 caliber with 31j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-5ff07bf54295]

Also known as: Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
39mm
Case Thickness
13.2mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
130m
Dial Color
Black
Jewels
31j
Frequency
28,800 bph
Power Reserve
58 hours
Year
1966

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