Seiko Cal. 5643 - 498

This Quartz model from 1968 features a 40mm Hardlex-Coated Steel case. It features a White dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-43ec89f35e04]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

White

Jewels

36j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1968

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