Seiko Cal. 4450 - 976

The 4450-976 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4450 caliber with 28j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-2ded46e3e75e]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1990

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