Seiko Cal. 7193 - 640

The Seiko 7193-640 represents an important milestone in Seiko's 1975 lineup. It features a Black dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-b02a5632dc8d]

Also known as: Navigator

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

12.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1975

Related Models

• Seiko 7130-860
• Seiko 7098-728
• Seiko 7112-694
• Seiko 0780-269
• Seiko 4455-375
• Seiko 5273-743
• Seiko 0732-483
• Seiko 3858-656
• Seiko 6656-230
• Seiko 7129-896
• Seiko 0771-279
• Seiko 0750-874