Seiko Cal. 5227 - 722

This Spring Drive model from 1967 features a 40mm Titanium case. With its 22mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-ab84f8f7dfff]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Green

Jewels

35j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1967

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