Seiko Cal. 0770 - 278

The Seiko 0770-278 represents an important milestone in Seiko's 1991 lineup. It features a Green dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-f77fdb6d35af]

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

170m

Dial Color

Green

Jewels

20j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1991

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