Seiko Cal. 3825 - 137

This Hand-Winding model from 1972 features a 42mm Two-Tone case. Powered by the 3825 caliber with 31j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-84ae720af1d8]

Also known as: Arnie

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

31j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1972

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