Seiko Cal. 7071 - 870

This Spring Drive model from 1979 features a 37mm Two-Tone case. Powered by the 7071 caliber with 20j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-efa57ea67094]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1979

Related Models

• Seiko 6335-177
• Seiko 4550-355
• Seiko 4413-228
• Seiko 4514-442
• Seiko 7073-243
• Seiko 6610-970
• Seiko 6274-692
• Seiko 6340-526
• Seiko 7176-115
• Seiko 6389-142
• Seiko 4574-297
• Seiko 4599-710