Seiko Cal. 7147 - 836

This Hand-Winding model from 1979 features a 43mm Two-Tone case. Powered by the 7147 caliber with 33j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-8b72f69d2322]

Also known as: World Timer, Crown

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Champagne

Jewels

33j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1979

Related Models

• Seiko 4577-285
• Seiko 4560-769
• Seiko 7165-383
• Seiko 4520-101
• Seiko 5271-337
• Seiko 4418-713
• Seiko 7123-420
• Seiko 6614-166
• Seiko 3854-975
• Seiko 6116-259
• Seiko 5691-106
• Seiko 5264-303