Seiko Cal. 5230 - 910

The Seiko 5230-910 represents an important milestone in Seiko's 1977 lineup. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-a6b5ea59e9b0]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Green

Jewels

28j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1977

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