Seiko Cal. 5261 - 736

The Seiko 5261-736 represents an important milestone in Seiko's 1972 lineup. With its 18mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-7a9e2dfbf2d5]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1972

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