Seiko Cal. 6653 - 730

The 6653-730 is a sought-after Solar piece from Seiko's golden era. Powered by the 6653 caliber with 32j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-9d205a7dfbf6]

Also known as: Monster, Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Burgundy

Jewels

32j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1970

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