Seiko Cal. 7181 - 787

The Seiko 7181-787 represents an important milestone in Seiko's 1974 lineup. Powered by the 7181 caliber with 28j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-8268acf1cbcb]

Also known as: Shogun

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

Cream

Jewels

28j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1974

Related Models

• Seiko 6160-653
• Seiko 5241-282
• Seiko 3891-390
• Seiko 4528-266
• Seiko 5238-176
• Seiko 6223-888
• Seiko 6623-787
• Seiko 4497-557
• Seiko 0767-436
• Seiko 5259-143
• Seiko 6170-582
• Seiko 3836-975