Seiko Cal. 7140 - 588

Released in 1976, the Cal. 7140 with design code 588 was part of Seiko's domestic market collection. It features a Navy dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-bb7a864e0583]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1976

Related Models

• Seiko 6190-308
• Seiko 7131-697
• Seiko 7156-108
• Seiko 5632-595
• Seiko 4598-995
• Seiko 6647-925
• Seiko 5237-168
• Seiko 5247-395
• Seiko 7049-588
• Seiko 3889-986
• Seiko 7121-404
• Seiko 3824-802