Seiko Cal. 4432 - 221

The Seiko 4432-221 represents an important milestone in Seiko's 1967 lineup. Powered by the 4432 caliber with 17j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-b1024b89d659]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

17j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1967

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