Seiko Cal. 6277 - 658

This Spring Drive model from 1983 features a 39mm Hardlex-Coated Steel case. It features a Green dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-e89865cf8b4e]

Also known as: Bullhead, Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Green

Jewels

27j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1983

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