Seiko Cal. 4540 - 930

The Seiko 4540-930 represents an important milestone in Seiko's 1988 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-039d4f0101be]

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1988

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