Seiko Cal. 5231 - 275

The Seiko 5231-275 represents an important milestone in Seiko's 1965 lineup. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-35dc099eb682]

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

36mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Burgundy

Jewels

20j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1965

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