Seiko Cal. 3887 - 825

The 3887-825 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3887 caliber with 22j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-146f9071a591]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

11.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Silver

Jewels

22j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1984

Related Models

• Seiko 4470-853
• Seiko 5262-870
• Seiko 6129-540
• Seiko 6352-179
• Seiko 6269-116
• Seiko 6259-796
• Seiko 6628-395
• Seiko 3856-892
• Seiko 6276-145
• Seiko 6658-848
• Seiko 3847-901
• Seiko 5653-322