Seiko Cal. 5645 - 649

The 5645-649 is a sought-after Solar piece from Seiko's golden era. Powered by the 5645 caliber with 21j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-bc7c352c42c3]

Also known as: Pogue, Flighty

Specifications

Movement

Solar

Case Material

Titanium

Case Width

40mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Cream

Jewels

21j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1991

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