Seiko Cal. 6180 - 257

The Seiko 6180-257 represents an important milestone in Seiko's 1978 lineup. It features a Champagne dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-08e798d7d142]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

8.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

18j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1978

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