Seiko Cal. 6198 - 636

Seiko 6198-636

This Quartz model from 1972 features a 45mm Hardlex-Coated Steel case. Powered by the 6198 caliber with 35j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-b84306bc06e2]

Also known as: Tuna, Bellmatic

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
9.5mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
150m
Dial Color
Green
Jewels
35j
Frequency
28,800 bph
Power Reserve
61 hours
Year
1972

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