Seiko Cal. 5277 - 650

The Seiko 5277-650 represents an important milestone in Seiko's 1991 lineup. It features a Green dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-ae9dbdbf2f0a]

Also known as: Helmet, Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Green

Jewels

29j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1991

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