Seiko Cal. 7140 - 557

The Seiko 7140-557 represents an important milestone in Seiko's 1968 lineup. It features a Silver dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-604b2aa6fc98]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Silver

Jewels

32j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1968

Related Models

• Seiko 6139-876
• Seiko 6298-143
• Seiko 6631-180
• Seiko 6621-972
• Seiko 5663-583
• Seiko 5661-628
• Seiko 7062-338
• Seiko 5293-486
• Seiko 7191-679
• Seiko 0710-639
• Seiko 4525-416
• Seiko 4531-843