Seiko Cal. 6610 - 638

Seiko 6610-638

The 6610-638 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6610 caliber with 21j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-4033792c9db3]

Also known as: Golden Tuna

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
41mm
Case Thickness
11.5mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
50m
Dial Color
Silver
Jewels
21j
Frequency
36,000 bph
Power Reserve
70 hours
Year
1989

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seikata-wm-4033792c9db3