Seiko Cal. 6218 - 131

This Hand-Winding model from 1972 features a 41mm Two-Tone case. Powered by the 6218 caliber with 35j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-7c560996cedf]

Also known as: UFO, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

12.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Green

Jewels

35j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1972

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