Seiko Cal. 7087 - 631

The 7087-631 is a sought-after Hand-Winding piece from Seiko's golden era. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-5bd612ee667f]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Green

Jewels

34j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1971

Related Models

• Seiko 0734-952
• Seiko 6251-800
• Seiko 6381-333
• Seiko 0799-441
• Seiko 0723-704
• Seiko 0757-376
• Seiko 5284-735
• Seiko 6628-834
• Seiko 6632-250
• Seiko 3838-979
• Seiko 6217-865
• Seiko 6257-283