Seiko Cal. 6648 - 311

This Spring Drive model from 1989 features a 40mm PVD Black case. It features a White dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-88d2165074aa]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

White

Jewels

29j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1989

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