Seiko Cal. 6121 - 270

This Spring Drive model from 1979 features a 40mm Two-Tone case. Powered by the 6121 caliber with 17j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-eaa1f4d21b85]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Champagne

Jewels

17j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1979

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