Seiko Cal. 0781 - 631

The 0781-631 is a sought-after Spring Drive piece from Seiko's golden era. It features a Cream dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-e7f49ff26ba2]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Cream

Jewels

34j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1987

Related Models

• Seiko 6333-264
• Seiko 6219-996
• Seiko 5237-152
• Seiko 5259-378
• Seiko 3863-330
• Seiko 6375-859
• Seiko 6614-559
• Seiko 3880-324
• Seiko 7147-497
• Seiko 6664-385
• Seiko 6669-261
• Seiko 7151-978