Seiko Cal. 7129 - 637

The Seiko 7129-637 represents an important milestone in Seiko's 1972 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-d9e856e6ab1a]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

34mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1972

Related Models

• Seiko 5226-956
• Seiko 6353-645
• Seiko 7039-653
• Seiko 5672-876
• Seiko 6183-233
• Seiko 4450-183
• Seiko 7025-142
• Seiko 6235-250
• Seiko 6263-900
• Seiko 6214-643
• Seiko 7077-380
• Seiko 7157-570