Seiko Cal. 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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