Seiko Cal. 6154 - 364

The 6154-364 is a sought-after Spring Drive piece from Seiko's golden era. With its 18mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-7fc1f58c1c43]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1965

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