Seiko Cal. 4548 - 447

This Spring Drive model from 1971 features a 39mm PVD Black case. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-cc02aac13c44]

Also known as: Sea Horse, Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1971

Related Models

• Seiko 6686-626
• Seiko 6342-118
• Seiko 0778-324
• Seiko 5699-674
• Seiko 5641-117
• Seiko 7010-460
• Seiko 4462-248
• Seiko 6167-850
• Seiko 6636-957
• Seiko 7048-502
• Seiko 3896-757
• Seiko 6229-298