Seiko Cal. 6331 - 407

The 6331-407 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 8.4mm profile, it sits comfortably on most wrists. [seikata-wm-80bb5ad8bc6a]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

8.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Cream

Jewels

25j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1990

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