Seiko Cal. 6663 - 154

The 6663-154 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6663 caliber with 23j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-12e5f4d9be26]

Also known as: Monster, World Timer

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

43mm

Case Thickness

14.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Burgundy

Jewels

23j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1977

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