Seiko Cal. 6642 - 702

This Quartz model from 1990 features a 41mm Hardlex-Coated Steel case. Powered by the 6642 caliber with 21j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-65f43b41c9c5]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

15.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1990

Related Models

• Seiko 4417-366
• Seiko 6180-903
• Seiko 6278-352
• Seiko 7169-395
• Seiko 6267-614
• Seiko 6252-442
• Seiko 5640-792
• Seiko 6196-189
• Seiko 3849-986
• Seiko 4469-393
• Seiko 5631-448
• Seiko 3832-613