Seiko Cal. 6633 - 347

The Seiko 6633-347 represents an important milestone in Seiko's 1966 lineup. Powered by the 6633 caliber with 23j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-eed33eebd93c]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Silver

Jewels

23j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1966

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