Seiko Cal. 6377 - 428

The 6377-428 is a sought-after Hand-Winding piece from Seiko's golden era. It features a White dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-84f8b2d4aac4]

Also known as: UFO, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

12.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

White

Jewels

34j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1990

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