Seiko Cal. 5641 - 847

Released in 1974, the Cal. 5641 with design code 847 was part of Seiko's domestic market collection. It features a Black dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-b7de793d6760]

Also known as: Pogue, Flighty

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

14.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1974

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