Seiko Cal. 6138 - 687

This Spring Drive model from 1971 features a 36mm Two-Tone case. It features a Black dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-a62a065a12b0]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1971

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