Seiko Cal. 5277 - 667

This Spring Drive model from 1965 features a 39mm Hardlex-Coated Steel case. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-58e51dd25c77]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Navy

Jewels

27j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1965

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