Seiko Cal. 4528 - 815

Released in 1972, the Cal. 4528 with design code 815 was part of Seiko's domestic market collection. The Coin-Edge bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-24fce9ab795b]

Also known as: Samurai, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

15.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Cream

Jewels

33j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1972

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