Seiko Cal. 6650 - 310

The Seiko 6650-310 represents an important milestone in Seiko's 1995 lineup. It features a White dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-38afc0f2a5fb]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

White

Jewels

25j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1995

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