Seiko Cal. 6145 - 247

The Seiko 6145-247 represents an important milestone in Seiko's 1972 lineup. Powered by the 6145 caliber with 22j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-c61c5ed4f94d]

Also known as: Sumo, Crown

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Silver

Jewels

22j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1972

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