Seiko Cal. 4534 - 637

The Seiko 4534-637 represents an important milestone in Seiko's 1978 lineup. Powered by the 4534 caliber with 24j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-59aad3fa8299]

Also known as: Shogun, Rally

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

24j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1978

Related Models

• Seiko 6670-636
• Seiko 7048-619
• Seiko 7192-545
• Seiko 4536-140
• Seiko 7187-710
• Seiko 5659-507
• Seiko 3865-358
• Seiko 6154-403
• Seiko 6621-602
• Seiko 0760-123
• Seiko 3822-397
• Seiko 6255-852