Seiko Cal. 3833 - 660

The 3833-660 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3833 caliber with 32j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-c10371ba76f3]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Navy

Jewels

32j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1973

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