Seiko Cal. 4423 - 528

This Hand-Winding model from 1988 features a 40mm PVD Black case. Powered by the 4423 caliber with 26j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-ec4850e0a6fe]

Also known as: Samurai, Panda

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

170m

Dial Color

White

Jewels

26j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1988

Related Models

• Seiko 5237-689
• Seiko 3828-952
• Seiko 7176-495
• Seiko 6389-580
• Seiko 6182-112
• Seiko 6364-997
• Seiko 4563-729
• Seiko 6118-835
• Seiko 6367-271
• Seiko 6171-225
• Seiko 4559-639
• Seiko 5248-288