Seiko Cal. 0770 - 387

The Seiko 0770-387 represents an important milestone in Seiko's 1977 lineup. It features a Cream dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-e268ad5948ab]

Also known as: Sportsmatic, Emperor

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Cream

Jewels

21j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1977

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