Seiko Cal. 4540 - 973

The 4540-973 is a sought-after Kinetic piece from Seiko's golden era. It features a Champagne dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-b2613c3ca914]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Champagne

Jewels

34j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1975

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