Seiko Cal. 6379 - 654

The 6379-654 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Navy dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-f9e4740e5c0c]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1981

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