Seiko Cal. 4581 - 281

This Spring Drive model from 1968 features a 34mm Two-Tone case. Powered by the 4581 caliber with 23j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-f0287c5b363a]

Also known as: Monster, Panda

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

13.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

190m

Dial Color

Champagne

Jewels

23j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1968

Related Models

• Seiko 7021-817
• Seiko 5283-119
• Seiko 4431-527
• Seiko 0718-997
• Seiko 5613-899
• Seiko 3827-601
• Seiko 7132-211
• Seiko 7031-454
• Seiko 7016-189
• Seiko 0720-165
• Seiko 6695-336
• Seiko 7172-402