Seiko Cal. 3828 - 233

The Seiko 3828-233 represents an important milestone in Seiko's 1968 lineup. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-e04391d1360f]

Also known as: Tuna, Rally

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Silver

Jewels

31j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1968

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