Seiko Cal. 4543 - 312

The Seiko 4543-312 represents an important milestone in Seiko's 1981 lineup. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-92deac143db8]

Also known as: Sportsmatic, Flighty

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

13.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1981

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