Seiko Cal. 7183 - 266

The Seiko 7183-266 represents an important milestone in Seiko's 1990 lineup. With its 20mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-555cd13fefe9]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Navy

Jewels

23j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1990

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