Seiko Cal. 4488 - 137

The Seiko 4488-137 represents an important milestone in Seiko's 1970 lineup. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-3ad020bcdd86]

Also known as: Shogun, Bullhead

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

170m

Dial Color

White

Jewels

36j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1970

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