Seiko Cal. 6154 - 375

This Spring Drive model from 1976 features a 46mm PVD Black case. With its 18mm lug width and 13.3mm profile, it sits comfortably on most wrists. [seikata-wm-9ec5a52ec272]

Also known as: Baby Tuna, Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

13.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Green

Jewels

36j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1976

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