Seiko Cal. 4536 - 436

This Spring Drive model from 1971 features a 38mm Gold-Plated case. Powered by the 4536 caliber with 23j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-32d4600aa684]

Also known as: Monster, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1971

Related Models

• Seiko 7099-843
• Seiko 7154-851
• Seiko 7147-937
• Seiko 5280-498
• Seiko 6634-649
• Seiko 5690-382
• Seiko 6349-621
• Seiko 7180-312
• Seiko 4431-578
• Seiko 7157-388
• Seiko 6323-559
• Seiko 3833-151