Seiko Cal. 6642 - 544

This Hand-Winding model from 1967 features a 43mm PVD Black case. Powered by the 6642 caliber with 18j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-829f1dac91f9]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

43mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

18j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1967

Related Models

• Seiko 5683-294
• Seiko 7050-606
• Seiko 5666-998
• Seiko 4577-542
• Seiko 4460-846
• Seiko 6679-714
• Seiko 4416-878
• Seiko 6614-613
• Seiko 3836-423
• Seiko 6197-750
• Seiko 3813-220
• Seiko 3844-660