Seiko Cal. 3820 - 155

Released in 1992, the Cal. 3820 with design code 155 was part of Seiko's domestic market collection. The Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-85a0a31ae8bd]

Also known as: Sumo, Panda

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

14.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1992

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