Seiko Cal. 5687 - 748

The Seiko 5687-748 represents an important milestone in Seiko's 1976 lineup. It features a Navy dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-bc1d94b88c33]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Navy

Jewels

25j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1976

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