Seiko Cal. 3821 - 757

The Seiko 3821-757 represents an important milestone in Seiko's 1983 lineup. The Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-f916f500db44]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Titanium

Case Width

43mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

Champagne

Jewels

22j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1983

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