Seiko Cal. 6278 - 710

The Seiko 6278-710 represents an important milestone in Seiko's 1967 lineup. It features a Green dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-0ccd80e9bc79]

Also known as: Sumo, Sea Horse

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Green

Jewels

34j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1967

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