Seiko Cal. 7112 - 371

The Seiko 7112-371 represents an important milestone in Seiko's 1965 lineup. Powered by the 7112 caliber with 33j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-32a5b204af4c]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

8.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Silver

Jewels

33j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1965

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