Seiko Cal. 6653 - 792

The 6653-792 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6653 caliber with 21j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-0546f8f8a29f]

Also known as: Crown, Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Cream

Jewels

21j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1977

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