Seiko Cal. 7187 - 523

The Seiko 7187-523 represents an important milestone in Seiko's 1966 lineup. Powered by the 7187 caliber with 35j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-0c80e9d6b2a0]

Also known as: Arnie

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

40mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

35j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1966

Related Models

• Seiko 7180-389
• Seiko 5695-706
• Seiko 6290-675
• Seiko 3859-297
• Seiko 6658-300
• Seiko 3898-952
• Seiko 4595-860
• Seiko 6372-202
• Seiko 7112-578
• Seiko 4520-508
• Seiko 7047-399
• Seiko 6389-506