Seiko Cal. 4554 - 540

The 4554-540 is a sought-after Hand-Winding piece from Seiko's golden era. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-9ef9335cfdf4]

Also known as: Sumo, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

White

Jewels

20j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1997

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