Seiko Cal. 6140 - 838

This Hand-Winding model from 1971 features a 39mm Two-Tone case. Powered by the 6140 caliber with 26j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-36721cbbf285]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Green

Jewels

26j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1971

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