Seiko Cal. 7133 - 510

The Seiko 7133-510 represents an important milestone in Seiko's 1977 lineup. With its 21mm lug width and 14.5mm profile, it sits comfortably on most wrists. [seikata-wm-4a1e4cf0c208]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

170m

Dial Color

Burgundy

Jewels

34j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1977

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