Seiko Cal. 6624 - 397

The 6624-397 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-1731ca26cd4c]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1967

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