Seiko Cal. 3857 - 604

The Seiko 3857-604 represents an important milestone in Seiko's 1979 lineup. It features a Navy dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-eaf5c5cc7c33]

Also known as: World Timer, Navigator

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

32j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1979

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