Seiko Cal. 3857 - 348

The Seiko 3857-348 represents an important milestone in Seiko's 1976 lineup. It features a Green dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-37cdd3ee2abe]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Green

Jewels

26j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1976

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