Seiko Cal. 6643 - 334

Seiko 6643-334

This Quartz model from 1972 features a 35mm Two-Tone case. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-020038643b47]

Also known as: World Timer, Baby Tuna

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
35mm
Case Thickness
15.3mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
190m
Dial Color
Champagne
Jewels
21j
Frequency
36,000 bph
Power Reserve
43 hours
Year
1972

Related Models

seikata-wm-020038643b47