Seiko Cal. 6321 - 438

The Seiko 6321-438 represents an important milestone in Seiko's 1983 lineup. With its 22mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-f3ec34d15ccc]

Also known as: Helmet, Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Silver

Jewels

35j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1983

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