Seiko Cal. 4448 - 974

Seiko 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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