Seiko Cal. 5297 - 766

The Seiko 5297-766 represents an important milestone in Seiko's 1975 lineup. Powered by the 5297 caliber with 20j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-ccd8fb549e7a]

Also known as: Tuna, Bellmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

42mm

Case Thickness

9.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1975

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