Seiko Cal. 6637 - 962

The Seiko 6637-962 represents an important milestone in Seiko's 1989 lineup. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-8221bdda1927]

Also known as: Shogun, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Burgundy

Jewels

19j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1989

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