Seiko Cal. 5618 - 423

The Seiko 5618-423 represents an important milestone in Seiko's 1983 lineup. Powered by the 5618 caliber with 34j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-64f9e9b4e5f0]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

41mm

Case Thickness

14.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Navy

Jewels

34j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1983

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