Seiko Cal. 6231 - 360

The Seiko 6231-360 represents an important milestone in Seiko's 1988 lineup. It features a White dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-6e4e63324cd4]

Also known as: Monster, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

170m

Dial Color

White

Jewels

18j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1988

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