Seiko Cal. 6659 - 374

This Spring Drive model from 1987 features a 41mm Two-Tone case. It features a Black dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-f4f45a49d501]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

13.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Black

Jewels

28j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1987

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