Seiko Cal. 6278 - 636

The Seiko 6278-636 represents an important milestone in Seiko's 1999 lineup. It features a Green dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-105109492dd2]

Also known as: Sea Horse, Flighty

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Green

Jewels

19j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1999

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