Seiko Cal. 6621 - 603

Seiko 6621-603

The Seiko 6621-603 represents an important milestone in Seiko's 1975 lineup. Powered by the 6621 caliber with 31j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-502d8375fe93]

Also known as: Baby Tuna

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
44mm
Case Thickness
9.3mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
100m
Dial Color
White
Jewels
31j
Frequency
36,000 bph
Power Reserve
60 hours
Year
1975

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