Seiko Cal. 3813 - 354

This Automatic model from 1977 features a 39mm Two-Tone case. Powered by the 3813 caliber with 28j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-034b911e0a26]

Also known as: UFO, Sportsmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1977

Related Models

• Seiko 4439-107
• Seiko 7153-449
• Seiko 0723-252
• Seiko 3866-372
• Seiko 5212-546
• Seiko 4431-380
• Seiko 6691-153
• Seiko 7049-180
• Seiko 3827-910
• Seiko 6297-205
• Seiko 4417-914
• Seiko 5637-258