Seiko Cal. 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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