Seiko Cal. 5689 - 473

Released in 1969, the Cal. 5689 with design code 473 was part of Seiko's domestic market collection. It features a Navy dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-df99bc027c88]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

13.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

22j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1969

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