Seiko Cal. 4457 - 634

The Seiko 4457-634 represents an important milestone in Seiko's 1986 lineup. The Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-11dc5fb5f30a]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1986

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