Seiko Cal. 3841 - 785

This Spring Drive model from 1985 features a 39mm Two-Tone case. Powered by the 3841 caliber with 20j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-61bcefde6980]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

14.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1985

Related Models

• Seiko 6680-815
• Seiko 6368-160
• Seiko 6174-578
• Seiko 4421-255
• Seiko 0781-539
• Seiko 3881-835
• Seiko 4589-301
• Seiko 3879-253
• Seiko 6166-301
• Seiko 6154-698
• Seiko 5269-964
• Seiko 4422-365