Seiko Cal. 6187 - 550

The 6187-550 is a sought-after Quartz piece from Seiko's golden era. It features a Silver dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-871a4f39eede]

Also known as: Helmet, Navigator

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

23j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1969

Related Models

• Seiko 7198-834
• Seiko 7047-529
• Seiko 0795-938
• Seiko 7057-992
• Seiko 6133-580
• Seiko 4419-873
• Seiko 6339-765
• Seiko 5610-223
• Seiko 0796-889
• Seiko 3812-719
• Seiko 6363-742
• Seiko 5233-598