Seiko Cal. 4450 - 399

The Seiko 4450-399 represents an important milestone in Seiko's 1985 lineup. Powered by the 4450 caliber with 29j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-071d2f3bca8f]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Silver

Jewels

29j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1985

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