Seiko Cal. 3840 - 521

This Solar model from 1980 features a 44mm Stainless Steel case. With its 20mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-08b2a94ab89d]

Also known as: Monster, Panda

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1980

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