Seiko Cal. 6157 - 898

This Spring Drive model from 1975 features a 34mm Two-Tone case. It features a Navy dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-78335d8363c7]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1975

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