Seiko Cal. 7140 - 405

The Seiko 7140-405 represents an important milestone in Seiko's 1978 lineup. It features a Navy dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-7f458f76bcf5]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

41mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1978

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