Seiko Cal. 5291 - 439

This Hand-Winding model from 1972 features a 46mm Titanium case. With its 22mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-08b0c2eb7d00]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Champagne

Jewels

24j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1972

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