Seiko Cal. 0740 - 143

The 0740-143 is a sought-after Solar piece from Seiko's golden era. It features a Champagne dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-2d75171591a0]

Also known as: Sumo, World Timer

Specifications

Movement

Solar

Case Material

Titanium

Case Width

38mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Champagne

Jewels

30j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1967

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