Seiko Cal. 5637 - 278

The Seiko 5637-278 represents an important milestone in Seiko's 1986 lineup. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-fe22a6e50c4b]

Also known as: Goldfeather

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1986

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