Seiko Cal. 6654 - 336

Released in 1973, the Cal. 6654 with design code 336 was part of Seiko's domestic market collection. Powered by the 6654 caliber with 30j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-7ebbf73df106]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1973

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