Seiko Cal. 5273 - 764

This Spring Drive model from 1970 features a 43mm Stainless Steel case. With its 20mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-c96f3eb91147]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

8.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1970

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