Seiko Cal. 3887 - 541

The Seiko 3887-541 represents an important milestone in Seiko's 1968 lineup. Powered by the 3887 caliber with 21j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-c01cedf26af5]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1968

Related Models

• Seiko 7076-853
• Seiko 6680-216
• Seiko 6658-513
• Seiko 4540-145
• Seiko 6159-304
• Seiko 4467-446
• Seiko 6632-224
• Seiko 4462-639
• Seiko 6322-840
• Seiko 3817-651
• Seiko 7096-738
• Seiko 5270-136