Seiko Cal. 3815 - 354

The Seiko 3815-354 represents an important milestone in Seiko's 1970 lineup. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-50da3dd6e125]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Cream

Jewels

32j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1970

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