Seiko Cal. 4448 - 409

Released in 1968, the Cal. 4448 with design code 409 was part of Seiko's domestic market collection. Powered by the 4448 caliber with 21j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-bef54efdf008]

Also known as: Navigator, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Champagne

Jewels

21j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1968

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