Seiko Cal. 3815 - 857

The 3815-857 is a sought-after Kinetic piece from Seiko's golden era. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-8edbe149cc50]

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1973

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