Seiko Cal. 0770 - 987

Seiko 0770-987

The 0770-987 is a sought-after Automatic piece from Seiko's golden era. With its 20mm lug width and 13.4mm profile, it sits comfortably on most wrists. [seikata-wm-103af77ac26f]

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
45mm
Case Thickness
13.4mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
30m
Dial Color
White
Jewels
35j
Frequency
28,800 bph
Power Reserve
40 hours
Year
1981

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