Seiko Cal. 4448 - 974

The 4448-974 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4448 caliber with 24j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-327fb546fd60]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Green

Jewels

24j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1985

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