Seiko Cal. 4450 - 488

The 4450-488 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4450 caliber with 29j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-3f7dcd6fbe8d]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

13.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Silver

Jewels

29j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1978

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