Seiko Cal. 6380 - 421

The Seiko 6380-421 represents an important milestone in Seiko's 1980 lineup. It features a Black dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-558b5218f175]

Also known as: Bullhead

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1980

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