Seiko Cal. 5613 - 158

This Hand-Winding model from 1975 features a 41mm Two-Tone case. Powered by the 5613 caliber with 22j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-4534883d7f52]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Silver

Jewels

22j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1975

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