Seiko Cal. 6636 - 430

This Spring Drive model from 1987 features a 36mm Titanium case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-49e39a72def2]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1987

Related Models

• Seiko 4597-503
• Seiko 3842-685
• Seiko 4567-356
• Seiko 0713-955
• Seiko 0745-394
• Seiko 0745-977
• Seiko 7177-384
• Seiko 3836-277
• Seiko 5281-924
• Seiko 6222-376
• Seiko 5299-991
• Seiko 6292-534