Seiko Cal. 4540 - 247

Released in 1972, the Cal. 4540 with design code 247 was part of Seiko's domestic market collection. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-2bddaa788ae6]

Also known as: Shogun, World Timer

Specifications

Movement

Solar

Case Material

Titanium

Case Width

39mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1972

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