Seiko Cal. 5288 - 306

The Seiko 5288-306 represents an important milestone in Seiko's 1969 lineup. With its 22mm lug width and 13.4mm profile, it sits comfortably on most wrists. [seikata-wm-28ffbc97b820]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

13.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1969

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