Seiko Cal. 4521 - 400

This Spring Drive model from 1994 features a 42mm Gold-Plated case. Powered by the 4521 caliber with 23j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-962162c8f74f]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Cream

Jewels

23j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1994

Related Models

• Seiko 3815-516
• Seiko 3878-861
• Seiko 7048-168
• Seiko 5662-109
• Seiko 7072-645
• Seiko 0779-429
• Seiko 3864-658
• Seiko 4597-465
• Seiko 5684-317
• Seiko 6166-637
• Seiko 6686-154
• Seiko 4450-442