Seiko Cal. 4540 - 538

Seiko 4540-538

The 4540-538 is a sought-after Automatic piece from Seiko's golden era. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-d9b53d0f334e]

Also known as: Goldfeather, Crown

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
40mm
Case Thickness
15.6mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
170m
Dial Color
Silver
Jewels
24j
Frequency
28,800 bph
Power Reserve
43 hours
Year
1977

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