Seiko Cal. 6644 - 425

This Quartz model from 1976 features a 45mm PVD Black case. It features a Navy dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-56464c69487b]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

24j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1976

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