Seiko Cal. 4531 - 135

The 4531-135 is a sought-after Solar piece from Seiko's golden era. It features a Silver dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-7305c941f664]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

45mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

25j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1969

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