Seiko Cal. 3854 - 421

The Seiko 3854-421 represents an important milestone in Seiko's 1991 lineup. Powered by the 3854 caliber with 35j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-16470d8d879b]

Also known as: Crown

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

White

Jewels

35j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1991

Related Models

• Seiko 5287-930
• Seiko 6651-917
• Seiko 4419-746
• Seiko 4457-722
• Seiko 0761-744
• Seiko 6213-476
• Seiko 5618-948
• Seiko 7076-828
• Seiko 6624-935
• Seiko 5635-294
• Seiko 4475-421
• Seiko 5613-308