Seiko Cal. 5613 - 971

This Hand-Winding model from 1975 features a 44mm Two-Tone case. With its 22mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-401db588c13a]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1975

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