Seiko Cal. 6231 - 361

The Seiko 6231-361 represents an important milestone in Seiko's 1986 lineup. It features a Burgundy dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-00ca7a7fd7ff]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

34j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1986

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