Seiko Cal. 7141 - 278

This Hand-Winding model from 1966 features a 36mm Two-Tone case. Powered by the 7141 caliber with 33j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-0587a739c15e]

Also known as: Monster, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1966

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