Seiko Cal. 7183 - 773

The Seiko 7183-773 represents an important milestone in Seiko's 1991 lineup. With its 22mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-3df139c422d6]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

15.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

170m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1991

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