Seiko Cal. 4547 - 621

Released in 1985, the Cal. 4547 with design code 621 was part of Seiko's domestic market collection. It features a Navy dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-2254fd129fc5]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

11.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1985

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