Seiko Cal. 7154 - 344

Released in 1970, the Cal. 7154 with design code 344 was part of Seiko's domestic market collection. With its 20mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-439d26de5cbc]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

White

Jewels

36j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1970

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