Seiko Cal. 5261 - 709

The Seiko 5261-709 represents an important milestone in Seiko's 1973 lineup. Powered by the 5261 caliber with 31j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-a2bca9ad0030]

Also known as: Tuna, UFO

Specifications

Movement

Solar

Case Material

Titanium

Case Width

42mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

80m

Dial Color

Navy

Jewels

31j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1973

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