Seiko Cal. 3842 - 840

This Spring Drive model from 1986 features a 35mm PVD Black case. Powered by the 3842 caliber with 29j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-76eeaa6bc9c4]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

12.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

White

Jewels

29j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1986

Related Models

• Seiko 5274-841
• Seiko 7075-702
• Seiko 6126-132
• Seiko 6257-652
• Seiko 4563-963
• Seiko 4584-680
• Seiko 6344-911
• Seiko 0791-249
• Seiko 4552-320
• Seiko 6623-749
• Seiko 4550-929
• Seiko 6629-988