Seiko Cal. 3820 - 121

The Seiko 3820-121 represents an important milestone in Seiko's 1977 lineup. It features a Champagne dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-1750345f6909]

Also known as: Sumo, Panda

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Champagne

Jewels

18j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1977

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