Seiko Cal. 5698 - 850

Seiko 5698-850

This Spring Drive model from 1967 features a 36mm Stainless Steel case. Powered by the 5698 caliber with 20j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-d8c1be44f19c]

Also known as: Tuna, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
9.3mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
160m
Dial Color
Silver
Jewels
20j
Frequency
21,600 bph
Power Reserve
48 hours
Year
1967

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