Seiko Cal. 7136 - 513

This Spring Drive model from 1978 features a 40mm Titanium case. With its 18mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-5a8736cc2438]

Also known as: Helmet, Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Black

Jewels

29j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1978

Related Models

• Seiko 6213-774
• Seiko 7054-377
• Seiko 0748-538
• Seiko 6628-745
• Seiko 0757-394
• Seiko 6398-750
• Seiko 5651-196
• Seiko 4543-225
• Seiko 7141-891
• Seiko 3839-363
• Seiko 4596-113
• Seiko 6286-486