Seiko Cal. 4427 - 545

This Hand-Winding model from 1999 features a 44mm Two-Tone case. Powered by the 4427 caliber with 22j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-2f88c46ccefd]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

12.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

22j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1999

Related Models

• Seiko 7032-657
• Seiko 7046-495
• Seiko 6664-991
• Seiko 6673-399
• Seiko 6114-430
• Seiko 3836-683
• Seiko 6360-816
• Seiko 6280-243
• Seiko 5214-224
• Seiko 6248-556
• Seiko 3865-896
• Seiko 0778-656