Seiko Cal. 6380 - 427

The Seiko 6380-427 represents an important milestone in Seiko's 1965 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-8baf98c3b9de]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Champagne

Jewels

23j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1965

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