Seiko Cal. 6621 - 439

This Solar model from 1971 features a 37mm Two-Tone case. It features a Navy dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-d24d538b6565]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Navy

Jewels

34j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1971

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