Seiko Cal. 5690 - 726

Released in 1975, the Cal. 5690 with design code 726 was part of Seiko's domestic market collection. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-83db64877cce]

Also known as: Tuna, Panda

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1975

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