Seiko Cal. 5690 - 840

Seiko 5690-840

This Hand-Winding model from 1994 features a 43mm Stainless Steel case. Powered by the 5690 caliber with 27j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-afd554a7a5c9]

Also known as: Sumo, Flighty

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
43mm
Case Thickness
14.4mm
Lug Width
19mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
50m
Dial Color
Silver
Jewels
27j
Frequency
28,800 bph
Power Reserve
39 hours
Year
1994

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