Seiko Cal. 4446 - 651

The Seiko 4446-651 represents an important milestone in Seiko's 1965 lineup. Powered by the 4446 caliber with 27j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-81ba9ddbd677]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

White

Jewels

27j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1965

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