Seiko Cal. 3872 - 931

The Seiko 3872-931 represents an important milestone in Seiko's 1999 lineup. It features a Green dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-175d6bd60b37]

Also known as: Sumo, Bullhead

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1999

Related Models

• Seiko 6258-145
• Seiko 0771-234
• Seiko 6680-817
• Seiko 0736-651
• Seiko 5615-161
• Seiko 6348-290
• Seiko 7012-247
• Seiko 7064-205
• Seiko 6669-433
• Seiko 6383-385
• Seiko 3889-593
• Seiko 3812-298