Seiko Cal. 4531 - 852

This Solar model from 1978 features a 46mm PVD Black case. It features a White dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-16e7b9d6fea0]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

46mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

White

Jewels

28j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1978

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