Seiko Cal. 6121 - 540

This Spring Drive model from 1977 features a 38mm PVD Black case. The Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-cc1544cfe7ec]

Also known as: Bellmatic, Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

36j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1977

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