Seiko Cal. 4566 - 521

This Spring Drive model from 1999 features a 34mm Two-Tone case. It features a Black dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-ac7e34600793]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Black

Jewels

35j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1999

Related Models

• Seiko 6648-360
• Seiko 6620-151
• Seiko 4538-540
• Seiko 4415-187
• Seiko 6186-710
• Seiko 4532-455
• Seiko 4578-855
• Seiko 6399-983
• Seiko 4542-862
• Seiko 6229-511
• Seiko 6374-415
• Seiko 4420-601