Seiko Cal. 4561 - 878

Released in 1977, the Cal. 4561 with design code 878 was part of Seiko's domestic market collection. It features a Silver dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-6a3459bf2aca]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Silver

Jewels

28j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1977

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