Seiko Cal. 3828 - 450

The Seiko 3828-450 represents an important milestone in Seiko's 1966 lineup. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-95a9eafee653]

Also known as: Silverwave, Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

12.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Navy

Jewels

36j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1966

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