Seiko Cal. 6643 - 594

This Quartz model from 1986 features a 36mm PVD Black case. It features a Champagne dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-0e836bf0cbd2]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

36mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Champagne

Jewels

22j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1986

Related Models

• Seiko 7075-676
• Seiko 5656-286
• Seiko 4461-678
• Seiko 5210-243
• Seiko 3859-103
• Seiko 6359-817
• Seiko 7194-259
• Seiko 7080-621
• Seiko 3869-151
• Seiko 4545-856
• Seiko 5647-304
• Seiko 5661-313