Seiko Cal. 3887 - 656

This Automatic model from 1966 features a 36mm PVD Black case. Powered by the 3887 caliber with 23j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-049ae7e239bf]

Also known as: Navigator

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

36mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Silver

Jewels

23j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1966

Related Models

• Seiko 6254-827
• Seiko 0750-290
• Seiko 5639-193
• Seiko 4567-893
• Seiko 7052-457
• Seiko 0752-565
• Seiko 6668-108
• Seiko 4522-254
• Seiko 6247-409
• Seiko 7113-396
• Seiko 5635-431
• Seiko 6188-171