Seiko Cal. 6321 - 603

The 6321-603 is a sought-after Automatic piece from Seiko's golden era. With its 18mm lug width and 14.8mm profile, it sits comfortably on most wrists. [seikata-wm-d13a4b992196]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1987

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