Seiko Cal. 6663 - 735

Seiko 6663-735

The 6663-735 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6663 caliber with 32j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-4a660e881fef]

Also known as: Tuna, Flighty

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
45mm
Case Thickness
9.4mm
Lug Width
21mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Black
Jewels
32j
Frequency
36,000 bph
Power Reserve
72 hours
Year
1967

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