Seiko Cal. 4527 - 715

The 4527-715 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-4bc1e28d6c4c]

Also known as: Shogun, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Black

Jewels

34j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1975

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