Seiko Cal. 5648 - 504

This Spring Drive model from 1977 features a 36mm Two-Tone case. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-30f46ce933a9]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

White

Jewels

33j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1977

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