Seiko Cal. 5623 - 720

The Seiko 5623-720 represents an important milestone in Seiko's 1978 lineup. It features a Navy dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-1e229963763c]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

30j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1978

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