Seiko Cal. 3823 - 757

This Spring Drive model from 1986 features a 38mm Gold-Plated case. Powered by the 3823 caliber with 18j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-a63a57e3b6a7]

Also known as: Monster, Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1986

Related Models

• Seiko 4446-130
• Seiko 5261-761
• Seiko 5638-114
• Seiko 6339-906
• Seiko 6171-807
• Seiko 6215-377
• Seiko 7062-170
• Seiko 3829-266
• Seiko 6319-284
• Seiko 5614-532
• Seiko 7049-359
• Seiko 6269-351