Seiko Cal. 7140 - 660

The Seiko 7140-660 represents an important milestone in Seiko's 1969 lineup. It features a Navy dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-5cb216221201]

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

42mm

Case Thickness

13.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Navy

Jewels

24j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1969

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