Seiko Cal. 5250 - 643

Seiko 5250-643

The 5250-643 is a sought-after Kinetic piece from Seiko's golden era. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-d39ba5850097]

Also known as: Sumo, Baby Tuna

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
15.4mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
150m
Dial Color
Blue Sunburst
Jewels
27j
Frequency
21,600 bph
Power Reserve
68 hours
Year
1966

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seikata-wm-d39ba5850097