Seiko Cal. 4485 - 643

The 4485-643 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4485 caliber with 18j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-115f87f797a2]

Also known as: Monster, Rally

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Cream

Jewels

18j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1965

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