Seiko Cal. 0781 - 731

The 0781-731 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 0781 caliber with 31j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-3e57db36f11a]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Cream

Jewels

31j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1977

Related Models

• Seiko 5684-996
• Seiko 4419-387
• Seiko 6244-524
• Seiko 6356-246
• Seiko 5228-211
• Seiko 5653-144
• Seiko 5264-223
• Seiko 4546-218
• Seiko 4487-113
• Seiko 4563-187
• Seiko 6286-490
• Seiko 7023-317