Seiko Cal. 6378 - 410

The 6378-410 is a sought-after Solar piece from Seiko's golden era. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-f23a17b02e47]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1986

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