Seiko Cal. 5637 - 216

The Seiko 5637-216 represents an important milestone in Seiko's 1975 lineup. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-7cb8fc8ec3c2]

Also known as: Bellmatic

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

45mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Champagne

Jewels

26j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1975

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