Seiko Cal. 6648 - 387

The Seiko 6648-387 represents an important milestone in Seiko's 1972 lineup. It features a Green dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-05519f644c38]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

39mm

Case Thickness

8.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Green

Jewels

32j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1972

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