Seiko Cal. 5661 - 497

The Seiko 5661-497 represents an important milestone in Seiko's 1996 lineup. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-84d7ede34610]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

White

Jewels

18j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1996

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