Seiko Cal. 5646 - 121

Released in 1983, the Cal. 5646 with design code 121 was part of Seiko's domestic market collection. It features a Silver dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-54f969d48e33]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

28j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1983

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