Seiko Cal. 4448 - 382

Seiko 4448-382

The 4448-382 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4448 caliber with 35j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-3dfb64bf4152]

Also known as: Tuna, Silverwave

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
12.2mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
180m
Dial Color
Silver
Jewels
35j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1973

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