Seiko Cal. 5635 - 491

The Seiko 5635-491 represents an important milestone in Seiko's 1969 lineup. Powered by the 5635 caliber with 36j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-c4a94f0fd3b4]

Also known as: Monster, Flighty

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

36mm

Case Thickness

14.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1969

Related Models

• Seiko 6243-376
• Seiko 7146-171
• Seiko 6682-564
• Seiko 6298-320
• Seiko 6358-995
• Seiko 5227-709
• Seiko 3874-996
• Seiko 7111-277
• Seiko 7116-572
• Seiko 0744-417
• Seiko 5671-670
• Seiko 0781-300