Seiko Cal. 3890 - 240

The 3890-240 is a sought-after Quartz piece from Seiko's golden era. Powered by the 3890 caliber with 33j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-35bc5de8e750]

Also known as: Monster, Shogun

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

45mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

Cream

Jewels

33j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1971

Related Models

• Seiko 6172-603
• Seiko 4554-277
• Seiko 6370-625
• Seiko 6341-726
• Seiko 7017-466
• Seiko 6694-931
• Seiko 6223-238
• Seiko 5287-588
• Seiko 5643-824
• Seiko 6654-582
• Seiko 4475-776
• Seiko 4512-432