Seiko Cal. 5266 - 257

This Spring Drive model from 1970 features a 46mm Titanium case. With its 21mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-1f9583aa2ba6]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1970

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