Seiko Cal. 5661 - 340

This Solar model from 1990 features a 44mm Hardlex-Coated Steel case. It features a White dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-35fe6943fb25]

Also known as: UFO

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1990

Related Models

• Seiko 3837-371
• Seiko 5686-407
• Seiko 3865-476
• Seiko 4579-448
• Seiko 6385-248
• Seiko 6250-443
• Seiko 6681-241
• Seiko 6661-133
• Seiko 7131-186
• Seiko 6195-197
• Seiko 6240-839
• Seiko 6350-516