Seiko Cal. 3840 - 371

The Seiko 3840-371 represents an important milestone in Seiko's 1979 lineup. Powered by the 3840 caliber with 19j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-e452fa812118]

Also known as: Shogun, Crown

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Cream

Jewels

19j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1979

Related Models

• Seiko 6271-298
• Seiko 4486-451
• Seiko 6391-510
• Seiko 0785-606
• Seiko 5239-607
• Seiko 0731-836
• Seiko 5257-105
• Seiko 4481-139
• Seiko 6213-161
• Seiko 6243-442
• Seiko 4480-807
• Seiko 6699-268