Seiko Cal. 6391 - 277

The 6391-277 is a sought-after Solar piece from Seiko's golden era. It features a Navy dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-55d36568f69f]

Also known as: Shogun

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

35j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1967

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