Seiko Cal. 6388 - 358

Seiko 6388-358

This Hand-Winding model from 1981 features a 40mm Stainless Steel case. Powered by the 6388 caliber with 22j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-a0809bb05a3b]

Also known as: Helmet, Flighty

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
13.7mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
60m
Dial Color
Navy
Jewels
22j
Frequency
28,800 bph
Power Reserve
60 hours
Year
1981

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