Seiko Cal. 6613 - 278

The Seiko 6613-278 represents an important milestone in Seiko's 1991 lineup. It features a Black dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-ac4d0428f3b8]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

13.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1991

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