Seiko Cal. 4540 - 138

The 4540-138 is a sought-after Spring Drive piece from Seiko's golden era. It features a Cream dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-2d2f284734c5]

Also known as: Shogun

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

15.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

150m

Dial Color

Cream

Jewels

20j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1978

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