Seiko Cal. 4531 - 850

The Seiko 4531-850 represents an important milestone in Seiko's 1965 lineup. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-09196456c561]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Champagne

Jewels

26j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1965

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