Seiko Cal. 4547 - 427

Released in 1981, the Cal. 4547 with design code 427 was part of Seiko's domestic market collection. It features a Navy dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-8a6038bb8bf3]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

15.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Navy

Jewels

31j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1981

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