Seiko Cal. 4549 - 256

This Spring Drive model from 1972 features a 36mm Gold-Plated case. Powered by the 4549 caliber with 30j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-4181ab33443f]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1972

Related Models

• Seiko 4547-394
• Seiko 6614-575
• Seiko 5668-503
• Seiko 4520-157
• Seiko 7116-638
• Seiko 5271-952
• Seiko 6234-961
• Seiko 7081-459
• Seiko 6388-586
• Seiko 5239-354
• Seiko 4582-363
• Seiko 6299-488