Seiko Cal. 6642 - 339

The Seiko 6642-339 represents an important milestone in Seiko's 1977 lineup. It features a White dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-b6a8aa5522a1]

Also known as: Navigator

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

34mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

White

Jewels

30j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1977

Related Models

• Seiko 6245-288
• Seiko 7030-166
• Seiko 3862-236
• Seiko 6114-171
• Seiko 4443-416
• Seiko 6227-910
• Seiko 6364-650
• Seiko 5221-713
• Seiko 7095-616
• Seiko 7065-484
• Seiko 5684-960
• Seiko 4553-563