Seiko Cal. 5621 - 664

This Solar model from 1973 features a 39mm Two-Tone case. It features a Navy dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-d875e38fcbf5]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

39mm

Case Thickness

8.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1973

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