Seiko Cal. 5637 - 912

This Automatic model from 1967 features a 36mm Two-Tone case. Powered by the 5637 caliber with 20j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-6510e91112a7]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Champagne

Jewels

20j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1967

Related Models

• Seiko 6333-998
• Seiko 0786-727
• Seiko 6658-521
• Seiko 4595-940
• Seiko 6249-500
• Seiko 5663-828
• Seiko 6254-457
• Seiko 5612-499
• Seiko 5667-382
• Seiko 7021-708
• Seiko 0740-587
• Seiko 3846-341