Seiko Cal. 4551 - 161

Released in 1991, the Cal. 4551 with design code 161 was part of Seiko's domestic market collection. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-2cb33bb5a5d7]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1991

Related Models

• Seiko 5215-187
• Seiko 4587-949
• Seiko 6371-982
• Seiko 6325-406
• Seiko 0739-287
• Seiko 4568-474
• Seiko 4485-766
• Seiko 6678-833
• Seiko 4510-332
• Seiko 5667-898
• Seiko 6173-290
• Seiko 3870-653