Seiko Cal. 6166 - 521

The 6166-521 is a sought-after Solar piece from Seiko's golden era. It features a Burgundy dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-a46a33ede0fc]

Also known as: Monster, Helmet

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

36mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Burgundy

Jewels

24j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1991

Related Models

• Seiko 5229-560
• Seiko 5288-678
• Seiko 3880-717
• Seiko 6610-652
• Seiko 7193-820
• Seiko 6630-309
• Seiko 6379-783
• Seiko 6675-322
• Seiko 6367-746
• Seiko 7073-270
• Seiko 4571-666
• Seiko 6255-791