Seiko Cal. 4540 - 352

The 4540-352 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4540 caliber with 26j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-fb90cde7fabe]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

26j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1974

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