Seiko Cal. 6333 - 421

Seiko 6333-421

The Seiko 6333-421 represents an important milestone in Seiko's 1977 lineup. Powered by the 6333 caliber with 32j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-2a3992cd7cd4]

Also known as: Navigator, Baby Tuna

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
44mm
Case Thickness
12.0mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
40m
Dial Color
Blue Sunburst
Jewels
32j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1977

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seikata-wm-2a3992cd7cd4