Seiko Cal. 5646 - 763

This Spring Drive model from 1986 features a 45mm Stainless Steel case. It features a Navy dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-b55a5bd349d7]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

13.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1986

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