Seiko Cal. 6221 - 378

The 6221-378 is a sought-after Spring Drive piece from Seiko's golden era. With its 18mm lug width and 13.3mm profile, it sits comfortably on most wrists. [seikata-wm-9fe78936ee42]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

13.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1994

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