Seiko Cal. 7057 - 228

The Seiko 7057-228 represents an important milestone in Seiko's 1968 lineup. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-5ad14936ac2a]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

9.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1968

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