Seiko Cal. 7166 - 857

The Seiko 7166-857 represents an important milestone in Seiko's 1985 lineup. With its 19mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-f69d9776aa05]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

Silver

Jewels

25j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1985

Related Models

• Seiko 0751-376
• Seiko 6312-720
• Seiko 4567-646
• Seiko 0784-782
• Seiko 6654-586
• Seiko 6655-396
• Seiko 6254-471
• Seiko 6125-167
• Seiko 5659-598
• Seiko 7067-748
• Seiko 6113-818
• Seiko 0714-537