Seiko Cal. 6318 - 237

The Seiko 6318-237 represents an important milestone in Seiko's 1972 lineup. Powered by the 6318 caliber with 22j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-87afb9ab8d3f]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

34mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Silver

Jewels

22j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1972

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