Seiko Cal. 4530 - 240

The Seiko 4530-240 represents an important milestone in Seiko's 1974 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-bf0836f94e31]

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1974

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