Seiko Cal. 3817 - 230

The Seiko 3817-230 represents an important milestone in Seiko's 1984 lineup. Powered by the 3817 caliber with 23j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-b5fe0e1b2085]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

42mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Cream

Jewels

23j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1984

Related Models

• Seiko 6218-494
• Seiko 4581-296
• Seiko 7134-295
• Seiko 6679-880
• Seiko 6365-567
• Seiko 5672-852
• Seiko 0727-935
• Seiko 6167-345
• Seiko 5295-952
• Seiko 6334-445
• Seiko 7120-439
• Seiko 0734-116