Seiko Cal. 3858 - 204

The 3858-204 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3858 caliber with 28j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-1521f9e58e47]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Black

Jewels

28j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1977

Related Models

• Seiko 4582-355
• Seiko 5649-766
• Seiko 4457-945
• Seiko 4468-793
• Seiko 6132-335
• Seiko 7144-828
• Seiko 4496-892
• Seiko 4554-224
• Seiko 3831-436
• Seiko 5669-432
• Seiko 6248-934
• Seiko 7168-632