Seiko Cal. 4431 - 176

The Seiko 4431-176 represents an important milestone in Seiko's 1987 lineup. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-eca19ca718d6]

Also known as: Sea Horse, Emperor

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

15.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1987

Related Models

• Seiko 4545-793
• Seiko 4468-105
• Seiko 0751-285
• Seiko 4453-101
• Seiko 6172-393
• Seiko 6320-146
• Seiko 0786-988
• Seiko 5617-163
• Seiko 7146-516
• Seiko 6651-364
• Seiko 5657-914
• Seiko 4440-720