Seiko Cal. 6380 - 636

The Seiko 6380-636 represents an important milestone in Seiko's 1970 lineup. It features a Black dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-3675565f0446]

Also known as: Sea Horse, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

Black

Jewels

17j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1970

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