Seiko Cal. 5223 - 537

The Seiko 5223-537 represents an important milestone in Seiko's 1968 lineup. Powered by the 5223 caliber with 24j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-8ad164904738]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1968

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