Seiko Cal. 5645 - 461

The 5645-461 is a sought-after Solar piece from Seiko's golden era. Powered by the 5645 caliber with 22j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-06a096ce156c]

Also known as: UFO, Baby Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

36mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1967

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