Seiko Cal. 3831 - 478

The Seiko 3831-478 represents an important milestone in Seiko's 1986 lineup. It features a Navy dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-52de5523e7f4]

Also known as: Monster, Golden Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

44mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

23j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1986

Related Models

• Seiko 6689-928
• Seiko 6134-924
• Seiko 6320-718
• Seiko 5297-564
• Seiko 6275-372
• Seiko 4455-828
• Seiko 3883-931
• Seiko 6670-564
• Seiko 3860-938
• Seiko 6116-239
• Seiko 4456-163
• Seiko 4416-555