Seiko Cal. 0787 - 637

The Seiko 0787-637 represents an important milestone in Seiko's 1991 lineup. The Coin-Edge bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-a5f97c1f35fc]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

14.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Champagne

Jewels

26j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1991

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