Seiko Cal. 5270 - 931

Released in 1966, the Cal. 5270 with design code 931 was part of Seiko's domestic market collection. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-01bdefcd6fb5]

Also known as: Bellmatic, World Timer

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

44mm

Case Thickness

15.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

White

Jewels

21j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1966

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