Seiko Cal. 4487 - 371

This Hand-Winding model from 1995 features a 41mm Stainless Steel case. Powered by the 4487 caliber with 33j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-099b82c88e29]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1995

Related Models

• Seiko 5252-164
• Seiko 4417-560
• Seiko 0781-935
• Seiko 7012-586
• Seiko 3836-282
• Seiko 6125-562
• Seiko 4426-916
• Seiko 6256-162
• Seiko 5248-531
• Seiko 3887-887
• Seiko 6281-252
• Seiko 6267-710