Seiko Cal. 6652 - 857

The Seiko 6652-857 represents an important milestone in Seiko's 1975 lineup. It features a Navy dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-e1d300cc642a]

Also known as: Bullhead, UFO

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1975

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