Seiko Cal. 5638 - 345

The Seiko 5638-345 represents an important milestone in Seiko's 1978 lineup. It features a Navy dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-1f62df16d3c4]

Also known as: Goldfeather, Crown

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

8.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

35j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1978

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