Seiko Cal. 0728 - 977

Seiko 0728-977

This Solar model from 1973 features a 38mm Titanium case. Powered by the 0728 caliber with 27j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-d811b60ac854]

Specifications

Movement
Solar
Case Material
Titanium
Case Width
38mm
Case Thickness
11.8mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
170m
Dial Color
Champagne
Jewels
27j
Frequency
28,800 bph
Power Reserve
72 hours
Year
1973

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