Seiko Cal. 6138 - 637

The Seiko 6138-637 represents an important milestone in Seiko's 1966 lineup. It features a Navy dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-eec26b2e3552]

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1966

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