Seiko Cal. 4441 - 621

The Seiko 4441-621 represents an important milestone in Seiko's 1972 lineup. Powered by the 4441 caliber with 22j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-926a65618419]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

41mm

Case Thickness

13.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Cream

Jewels

22j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1972

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