Seiko Cal. 5222 - 310

The Seiko 5222-310 represents an important milestone in Seiko's 1968 lineup. It features a Cream dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-5d57048c1e43]

Also known as: Tuna, Helmet

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Cream

Jewels

20j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1968

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