Seiko Cal. 3841 - 640

This Spring Drive model from 1999 features a 45mm Stainless Steel case. With its 22mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-7b0c9e1d323b]

Also known as: Monster, Panda

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

8.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Navy

Jewels

19j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1999

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