Seiko Cal. 4489 - 378

The 4489-378 is a sought-after Solar piece from Seiko's golden era. Powered by the 4489 caliber with 33j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-1dfda6633146]

Also known as: Monster, Crown

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Green

Jewels

33j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1973

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