Seiko Cal. 3891 - 630

The Seiko 3891-630 represents an important milestone in Seiko's 1995 lineup. Powered by the 3891 caliber with 35j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-5537dc45eee2]

Also known as: Crown, Emperor

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Black

Jewels

35j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1995

Related Models

• Seiko 5265-177
• Seiko 5663-726
• Seiko 6134-626
• Seiko 4520-145
• Seiko 7173-788
• Seiko 6217-476
• Seiko 0772-674
• Seiko 6399-832
• Seiko 6624-194
• Seiko 6296-271
• Seiko 5663-687
• Seiko 5257-694