Seiko Cal. 4441 - 533

The 4441-533 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4441 caliber with 22j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-4b71147b0859]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1984

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