Seiko Cal. 4547 - 318

The Seiko 4547-318 represents an important milestone in Seiko's 1977 lineup. Powered by the 4547 caliber with 23j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-c5c4fe1e9be2]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

23j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1977

Related Models

• Seiko 4510-810
• Seiko 4497-202
• Seiko 3840-812
• Seiko 6695-277
• Seiko 3847-786
• Seiko 5656-894
• Seiko 6253-639
• Seiko 6691-609
• Seiko 5662-485
• Seiko 6115-869
• Seiko 6120-750
• Seiko 5221-401