Seiko Cal. 5231 - 276

The Seiko 5231-276 represents an important milestone in Seiko's 1978 lineup. It features a Silver dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-4b0bf5ec3bed]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

8.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

24j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1978

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