Seiko Cal. 5620 - 371

Released in 1979, the Cal. 5620 with design code 371 was part of Seiko's domestic market collection. It features a White dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-ba215dcd1ad1]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

White

Jewels

25j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1979

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