Seiko Cal. 5654 - 252

This Spring Drive model from 1966 features a 35mm Two-Tone case. It features a Silver dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-2ae8664548e0]

Also known as: UFO, World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

12.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Silver

Jewels

36j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1966

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