Seiko Cal. 7123 - 645

The Seiko 7123-645 represents an important milestone in Seiko's 1986 lineup. With its 21mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-a586a2db4547]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Cream

Jewels

36j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1986

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