Seiko Cal. 4540 - 294

The 4540-294 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4540 caliber with 22j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-ad276df5bbc8]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Champagne

Jewels

22j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1972

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