Seiko Cal. 3851 - 992

The Seiko 3851-992 represents an important milestone in Seiko's 1977 lineup. It features a Champagne dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-e40a019fe317]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Champagne

Jewels

29j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1977

Related Models

• Seiko 7069-951
• Seiko 4533-353
• Seiko 6282-765
• Seiko 7058-366
• Seiko 5674-257
• Seiko 6278-662
• Seiko 7111-935
• Seiko 0780-854
• Seiko 3838-944
• Seiko 6316-985
• Seiko 4590-663
• Seiko 5242-329