Seiko Cal. 5645 - 717

The 5645-717 is a sought-after Solar piece from Seiko's golden era. Powered by the 5645 caliber with 31j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-ab641e464e1c]

Also known as: Golden Tuna, Emperor

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1998

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