Seiko Cal. 6391 - 236

This Spring Drive model from 1999 features a 46mm Hardlex-Coated Steel case. It features a Burgundy dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-ce25c8313e75]

Also known as: Bullhead, UFO

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Burgundy

Jewels

28j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1999

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