Seiko Cal. 6278 - 431

The 6278-431 is a sought-after Solar piece from Seiko's golden era. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-0effd371dba8]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

45mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

White

Jewels

18j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1976

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