Seiko Cal. 5645 - 406

The 5645-406 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5645 caliber with 36j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-047c6e631aa8]

Also known as: Monster, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1982

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