Seiko Cal. 6278 - 305

The Seiko 6278-305 represents an important milestone in Seiko's 1976 lineup. It features a White dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-40f7336044aa]

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

White

Jewels

31j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1976

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