Seiko Cal. 0740 - 540

The Seiko 0740-540 represents an important milestone in Seiko's 1968 lineup. It features a Green dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-db5fae08c333]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Green

Jewels

24j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1968

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