Seiko Cal. 7154 - 621

The 7154-621 is a sought-after Solar piece from Seiko's golden era. With its 21mm lug width and 12.1mm profile, it sits comfortably on most wrists. [seikata-wm-21f55ff1eec0]

Also known as: Tuna, World Timer

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

44mm

Case Thickness

12.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Green

Jewels

26j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1970

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