Seiko Cal. 6291 - 398

Seiko 6291-398

This Hand-Winding model from 1970 features a 36mm Stainless Steel case. Powered by the 6291 caliber with 32j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-0b7762d6c131]

Also known as: Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
12.5mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
200m
Dial Color
Green
Jewels
32j
Frequency
21,600 bph
Power Reserve
48 hours
Year
1970

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