Seiko Cal. 0770 - 250

The Seiko 0770-250 represents an important milestone in Seiko's 1977 lineup. It features a Green dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-9a98d29630b9]

Also known as: Crown, Arnie

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

9.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

190m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1977

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