Seiko Cal. 4431 - 606

The Seiko 4431-606 represents an important milestone in Seiko's 1997 lineup. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-617452e553be]

Also known as: Helmet, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Silver

Jewels

34j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1997

Related Models

• Seiko 4593-259
• Seiko 6255-531
• Seiko 6318-178
• Seiko 6397-372
• Seiko 7173-139
• Seiko 6122-739
• Seiko 6649-594
• Seiko 3865-800
• Seiko 5629-119
• Seiko 7168-406
• Seiko 7123-518
• Seiko 0731-965