Seiko Cal. 7057 - 836

The Seiko 7057-836 represents an important milestone in Seiko's 1975 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-fddb9d18f2ca]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1975

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