Seiko Cal. 3858 - 857

The Seiko 3858-857 represents an important milestone in Seiko's 1978 lineup. The Fixed bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-958df03483a6]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

46mm

Case Thickness

11.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1978

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