Seiko Cal. 7181 - 643

This Solar model from 1987 features a 35mm Titanium case. Powered by the 7181 caliber with 21j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-a444d7307c23]

Also known as: Sea Horse

Specifications

Movement

Solar

Case Material

Titanium

Case Width

35mm

Case Thickness

14.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1987

Related Models

• Seiko 0748-702
• Seiko 4470-120
• Seiko 5617-617
• Seiko 3838-732
• Seiko 6627-581
• Seiko 6676-534
• Seiko 7177-309
• Seiko 3880-577
• Seiko 4446-280
• Seiko 0752-856
• Seiko 3864-411
• Seiko 4555-481