Seiko Cal. 7131 - 262

The Seiko 7131-262 represents an important milestone in Seiko's 1979 lineup. With its 21mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-6e1c9ad885ad]

Also known as: Monster, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Silver

Jewels

27j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1979

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