Seiko Cal. 6143 - 323

The Seiko 6143-323 represents an important milestone in Seiko's 1978 lineup. The Fixed bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-bb97874e9837]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1978

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