Seiko Cal. 6256 - 421

Released in 1974, the Cal. 6256 with design code 421 was part of Seiko's domestic market collection. It features a Navy dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-0be5ef449a7b]

Also known as: Helmet, UFO

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Navy

Jewels

25j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1974

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