Seiko Cal. 5623 - 260

This Spring Drive model from 1970 features a 39mm Hardlex-Coated Steel case. It features a Navy dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-b01c387d99c5]

Also known as: UFO, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1970

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