Seiko Cal. 6630 - 336

The 6630-336 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6630 caliber with 21j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-65f461da2663]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

45mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Champagne

Jewels

21j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1978

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