Seiko Cal. 5620 - 643

Seiko 5620-643

This Quartz model from 1999 features a 45mm Stainless Steel case. Powered by the 5620 caliber with 31j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-ba092555f022]

Also known as: World Timer, Baby Tuna

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
45mm
Case Thickness
12.2mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
150m
Dial Color
Cream
Jewels
31j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1999

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