Seiko Cal. 5231 - 839

The Seiko 5231-839 represents an important milestone in Seiko's 1994 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-2d300e205357]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1994

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