Seiko Cal. 7156 - 268

This Spring Drive model from 1966 features a 39mm Hardlex-Coated Steel case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-dccafda79d91]

Also known as: Sea Horse, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1966

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