Seiko Cal. 0733 - 637

The Seiko 0733-637 represents an important milestone in Seiko's 1990 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-94af6523e79e]

Also known as: Arnie

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1990

Related Models

• Seiko 7138-828
• Seiko 4570-461
• Seiko 6284-563
• Seiko 6218-529
• Seiko 6356-766
• Seiko 6159-887
• Seiko 7148-476
• Seiko 4439-108
• Seiko 5655-506
• Seiko 6639-713
• Seiko 6195-746
• Seiko 6244-496