Seiko Cal. 6256 - 645

The 6256-645 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6256 caliber with 29j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-bf8973e50113]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

White

Jewels

29j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1986

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