Seiko Cal. 5230 - 820

The Seiko 5230-820 represents an important milestone in Seiko's 1990 lineup. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-a69e8aa836ee]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Silver

Jewels

20j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1990

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