Seiko Cal. 6178 - 765

The 6178-765 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Navy dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-d105cf870528]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1990

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