Seiko Cal. 4415 - 137

The Seiko 4415-137 represents an important milestone in Seiko's 1965 lineup. It features a Cream dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-6328bcd5093f]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Cream

Jewels

33j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1965

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