Seiko Cal. 4497 - 556

The Seiko 4497-556 represents an important milestone in Seiko's 1977 lineup. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-643c81fd0ae9]

Also known as: Silverwave, Baby Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

8.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Burgundy

Jewels

28j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1977

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