Seiko Cal. 7138 - 658

This Automatic model from 1986 features a 43mm Titanium case. Powered by the 7138 caliber with 17j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-144e6d89956e]

Also known as: Sumo, Emperor

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

43mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

17j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1986

Related Models

• Seiko 4449-357
• Seiko 6120-428
• Seiko 6149-915
• Seiko 7081-940
• Seiko 7027-236
• Seiko 6673-888
• Seiko 0720-185
• Seiko 4529-431
• Seiko 3893-961
• Seiko 7130-237
• Seiko 0779-884
• Seiko 7162-187