Seiko Cal. 6230 - 731

The Seiko 6230-731 represents an important milestone in Seiko's 1965 lineup. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-7a84b7c964da]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1965

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