Seiko Cal. 3872 - 546

Released in 1979, the Cal. 3872 with design code 546 was part of Seiko's domestic market collection. It features a Black dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-da45daf6eb31]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

9.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

24j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1979

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