Seiko Cal. 3858 - 557

The 3858-557 is a sought-after Hand-Winding piece from Seiko's golden era. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-6f976cb3ab12]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Green

Jewels

29j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1975

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