Seiko Cal. 3847 - 821

Released in 1971, the Cal. 3847 with design code 821 was part of Seiko's domestic market collection. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-6624fc589aee]

Also known as: Bellmatic, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

14.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Burgundy

Jewels

24j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1971

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