Seiko Cal. 6650 - 258

Seiko 6650-258

The 6650-258 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6650 caliber with 27j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-7eee17f55d02]

Also known as: Tuna, Bellmatic

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
45mm
Case Thickness
13.7mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
30m
Dial Color
Black
Jewels
27j
Frequency
36,000 bph
Power Reserve
71 hours
Year
1975

Related Models

seikata-wm-7eee17f55d02