Seiko Cal. 3821 - 948

The Seiko 3821-948 represents an important milestone in Seiko's 1971 lineup. Powered by the 3821 caliber with 25j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-d16a76a29aca]

Also known as: World Timer, Sea Horse

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

8.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Burgundy

Jewels

25j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1971

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