Seiko Cal. 4436 - 527

This Spring Drive model from 1971 features a 38mm Stainless Steel case. Powered by the 4436 caliber with 18j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-bdf59b47a8fa]

Also known as: UFO, Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1971

Related Models

• Seiko 5696-731
• Seiko 4546-954
• Seiko 5218-571
• Seiko 4483-279
• Seiko 0785-778
• Seiko 4582-357
• Seiko 6265-869
• Seiko 7041-757
• Seiko 7155-760
• Seiko 0740-441
• Seiko 0799-315
• Seiko 5291-795