Seiko Cal. 3891 - 949

This Spring Drive model from 1986 features a 35mm Hardlex-Coated Steel case. It features a White dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-ba59cb4475c2]

Also known as: Monster, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

White

Jewels

21j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1986

Related Models

• Seiko 4517-749
• Seiko 5673-201
• Seiko 4572-525
• Seiko 7115-496
• Seiko 7165-125
• Seiko 4458-874
• Seiko 0789-722
• Seiko 3823-625
• Seiko 7165-114
• Seiko 6323-791
• Seiko 4529-588
• Seiko 6337-311