Seiko Cal. 3820 - 140

Released in 1975, the Cal. 3820 with design code 140 was part of Seiko's domestic market collection. It features a Blue Sunburst dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-e4555c3c3a6a]

Also known as: Pogue, Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

11.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1975

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