Seiko Cal. 3831 - 987

The 3831-987 is a sought-after Quartz piece from Seiko's golden era. It features a Champagne dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-430741ad0eac]

Also known as: Sumo, UFO

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

38mm

Case Thickness

13.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

35j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1988

Related Models

• Seiko 6651-565
• Seiko 0783-104
• Seiko 6381-965
• Seiko 6345-926
• Seiko 4516-249
• Seiko 5683-477
• Seiko 7152-492
• Seiko 7120-783
• Seiko 7037-377
• Seiko 0753-399
• Seiko 0742-683
• Seiko 6293-118