Seiko Cal. 6230 - 637

The Seiko 6230-637 represents an important milestone in Seiko's 1976 lineup. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-5bcce937fc0b]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

14.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

White

Jewels

36j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1976

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