Seiko Cal. 5638 - 776

The 5638-776 is a sought-after Quartz piece from Seiko's golden era. It features a Navy dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-2273b5de9803]

Also known as: Navigator, Crown

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

12.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1991

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