Seiko Cal. 3850 - 143

The 3850-143 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-8061a6d68b9b]

Also known as: Helmet, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

Green

Jewels

22j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1999

Related Models

• Seiko 0783-334
• Seiko 4580-236
• Seiko 4498-912
• Seiko 6177-737
• Seiko 6199-118
• Seiko 7176-409
• Seiko 6621-609
• Seiko 6197-583
• Seiko 4585-297
• Seiko 6615-373
• Seiko 3824-163
• Seiko 3812-877