Seiko Cal. 7181 - 659

The Seiko 7181-659 represents an important milestone in Seiko's 1973 lineup. Powered by the 7181 caliber with 26j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-4b63ed824e23]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Silver

Jewels

26j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1973

Related Models

• Seiko 4595-761
• Seiko 6665-792
• Seiko 6282-675
• Seiko 4451-680
• Seiko 0740-724
• Seiko 4572-694
• Seiko 6691-684
• Seiko 6157-517
• Seiko 6184-332
• Seiko 7084-710
• Seiko 4525-437
• Seiko 7162-122