Seiko Cal. 7087 - 391

This Spring Drive model from 1971 features a 34mm Titanium case. Powered by the 7087 caliber with 22j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-577e9467f233]

Also known as: Bullhead, Silverwave

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Silver

Jewels

22j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1971

Related Models

• Seiko 5614-934
• Seiko 4548-333
• Seiko 0774-484
• Seiko 6233-631
• Seiko 6217-737
• Seiko 5669-478
• Seiko 4425-992
• Seiko 6611-348
• Seiko 7165-115
• Seiko 3837-879
• Seiko 0767-164
• Seiko 3840-704