Seiko Cal. 5650 - 300

The 5650-300 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5650 caliber with 28j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-47253da7ba5c]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

45mm

Case Thickness

12.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1968

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